Seiko Cal. 5278 - 231

The Seiko 5278-231 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-485f30bf4600]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

Related Models

• Seiko 4569-330
• Seiko 6347-788
• Seiko 6112-372
• Seiko 6342-295
• Seiko 7065-763
• Seiko 5222-970
• Seiko 3812-435
• Seiko 6163-529
• Seiko 7059-713
• Seiko 4574-944
• Seiko 6344-102
• Seiko 6645-495